EP2578882A4 - Uniaxial eccentric screw pump - Google Patents

Uniaxial eccentric screw pump Download PDF

Info

Publication number
EP2578882A4
EP2578882A4 EP11792269.0A EP11792269A EP2578882A4 EP 2578882 A4 EP2578882 A4 EP 2578882A4 EP 11792269 A EP11792269 A EP 11792269A EP 2578882 A4 EP2578882 A4 EP 2578882A4
Authority
EP
European Patent Office
Prior art keywords
screw pump
eccentric screw
uniaxial eccentric
uniaxial
pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11792269.0A
Other languages
German (de)
French (fr)
Other versions
EP2578882A1 (en
EP2578882A9 (en
EP2578882B1 (en
Inventor
Takashi Hashima
Masaki Ogawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Netzsch Pumpen and Systeme GmbH
Heishin Ltd
Original Assignee
Netzsch Pumpen and Systeme GmbH
Heishin Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Netzsch Pumpen and Systeme GmbH, Heishin Ltd filed Critical Netzsch Pumpen and Systeme GmbH
Publication of EP2578882A1 publication Critical patent/EP2578882A1/en
Publication of EP2578882A4 publication Critical patent/EP2578882A4/en
Publication of EP2578882A9 publication Critical patent/EP2578882A9/en
Application granted granted Critical
Publication of EP2578882B1 publication Critical patent/EP2578882B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D3/00—Axial-flow pumps
    • F04D3/02—Axial-flow pumps of screw type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/02—Rotary-piston machines or pumps of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
    • F04C2/1071—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type
    • F04C2/1073—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type where one member is stationary while the other member rotates and orbits
    • F04C2/1075—Construction of the stationary member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • F04C2/165—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type having more than two rotary pistons with parallel axes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2230/00—Manufacture
    • F04C2230/70—Disassembly methods

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
EP11792269.0A 2010-06-07 2011-05-23 Uniaxial eccentric screw pump Active EP2578882B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010130396A JP5605776B2 (en) 2010-06-07 2010-06-07 Uniaxial eccentric screw pump
PCT/JP2011/061711 WO2011155312A1 (en) 2010-06-07 2011-05-23 Uniaxial eccentric screw pump

Publications (4)

Publication Number Publication Date
EP2578882A1 EP2578882A1 (en) 2013-04-10
EP2578882A4 true EP2578882A4 (en) 2017-01-04
EP2578882A9 EP2578882A9 (en) 2017-02-22
EP2578882B1 EP2578882B1 (en) 2020-01-22

Family

ID=45097920

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11792269.0A Active EP2578882B1 (en) 2010-06-07 2011-05-23 Uniaxial eccentric screw pump

Country Status (15)

Country Link
US (1) US8967948B2 (en)
EP (1) EP2578882B1 (en)
JP (1) JP5605776B2 (en)
KR (1) KR101840495B1 (en)
CN (1) CN103038511B (en)
AU (1) AU2011263054B2 (en)
BR (1) BR112012031156B1 (en)
CA (1) CA2800168C (en)
MX (1) MX2012014338A (en)
MY (1) MY165262A (en)
NZ (1) NZ603945A (en)
RU (1) RU2557792C2 (en)
SG (1) SG186236A1 (en)
WO (1) WO2011155312A1 (en)
ZA (1) ZA201209194B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012008761B4 (en) 2012-05-05 2016-01-21 Netzsch Pumpen & Systeme Gmbh Divided stator jacket
JP6349565B2 (en) * 2014-01-28 2018-07-04 兵神装備株式会社 Uniaxial eccentric screw pump
JP6349566B2 (en) * 2014-01-28 2018-07-04 兵神装備株式会社 Uniaxial eccentric screw pump
CN104948448A (en) * 2015-06-25 2015-09-30 舟山市第一塑料机械有限公司 Whole split or integrated all-metal screw pump
CN107299763A (en) * 2017-07-14 2017-10-27 浙江富瑞三维科技有限公司 A kind of material extrusion device for being used to build 3D printer
JP2019036457A (en) * 2017-08-14 2019-03-07 株式会社フロンティアエンジニアリング Continuous heating processing facility for food material

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3011445A (en) * 1957-11-13 1961-12-05 Robbin & Myers Inc Helical gear pump with by-pass
US3084631A (en) * 1962-01-17 1963-04-09 Robbins & Myers Helical gear pump with stator compression
DE2529916A1 (en) * 1975-07-04 1977-01-27 Erich Daunheimer Stator for flexible helical rotor pump - is constructed in sections which are forced together by adjusting screws
US5318416A (en) * 1991-05-22 1994-06-07 Netzsch-Mohnopumpen Gmbh Casing of an eccentric worm pump designed to burst at preselected pressure
JP2006249931A (en) * 2005-03-08 2006-09-21 Heishin Engineering & Equipment Co Ltd Rotor of uniaxial eccentric screw pump
JP2007071208A (en) * 2005-09-08 2007-03-22 Netzsch Mohnopumpen Gmbh Stator system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5114082Y2 (en) * 1971-09-16 1976-04-15
JPS52159409U (en) * 1976-05-28 1977-12-03
JPS56118987U (en) * 1980-02-12 1981-09-10
DE3503604A1 (en) * 1985-02-02 1986-08-07 Gummi-Jäger KG GmbH & Cie, 3000 Hannover Eccentric worm screw pump
DE10245497C5 (en) * 2002-09-27 2009-02-19 Wilhelm Kächele GmbH Elastomertechnik Progressive cavity pump with increased temperature range
NO318776B1 (en) * 2003-05-07 2005-05-02 Jets As Screw-type liquid pump pump device
JP4296882B2 (en) * 2003-09-01 2009-07-15 東海ゴム工業株式会社 Hose clamp
JP2005344587A (en) 2004-06-02 2005-12-15 Heishin Engineering & Equipment Co Ltd Uniaxial eccentric screw pump
DE102004038477B3 (en) 2004-08-07 2005-10-06 Netzsch-Mohnopumpen Gmbh Cavity Pump
US7871239B2 (en) * 2006-02-03 2011-01-18 Dresser-Rand Company Multi-segment compressor casing assembly
JP2007303412A (en) * 2006-05-12 2007-11-22 Heishin Engineering & Equipment Co Ltd Uniaxial eccentric screw-pump
JP5267153B2 (en) 2009-01-22 2013-08-21 兵神装備株式会社 Coated stator for uniaxial eccentric screw pump and uniaxial eccentric screw pump

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3011445A (en) * 1957-11-13 1961-12-05 Robbin & Myers Inc Helical gear pump with by-pass
US3084631A (en) * 1962-01-17 1963-04-09 Robbins & Myers Helical gear pump with stator compression
DE2529916A1 (en) * 1975-07-04 1977-01-27 Erich Daunheimer Stator for flexible helical rotor pump - is constructed in sections which are forced together by adjusting screws
US5318416A (en) * 1991-05-22 1994-06-07 Netzsch-Mohnopumpen Gmbh Casing of an eccentric worm pump designed to burst at preselected pressure
JP2006249931A (en) * 2005-03-08 2006-09-21 Heishin Engineering & Equipment Co Ltd Rotor of uniaxial eccentric screw pump
JP2007071208A (en) * 2005-09-08 2007-03-22 Netzsch Mohnopumpen Gmbh Stator system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011155312A1 *

Also Published As

Publication number Publication date
US20130108412A1 (en) 2013-05-02
RU2012157993A (en) 2014-07-20
AU2011263054A1 (en) 2013-01-10
CA2800168C (en) 2015-03-17
CA2800168A1 (en) 2011-12-15
RU2557792C2 (en) 2015-07-27
KR20130087486A (en) 2013-08-06
EP2578882A1 (en) 2013-04-10
ZA201209194B (en) 2013-08-28
JP5605776B2 (en) 2014-10-15
BR112012031156A2 (en) 2017-05-23
BR112012031156B1 (en) 2021-02-09
MY165262A (en) 2018-03-15
CN103038511A (en) 2013-04-10
JP2011256748A (en) 2011-12-22
WO2011155312A1 (en) 2011-12-15
EP2578882A9 (en) 2017-02-22
AU2011263054B2 (en) 2015-07-30
EP2578882B1 (en) 2020-01-22
SG186236A1 (en) 2013-01-30
MX2012014338A (en) 2013-03-22
KR101840495B1 (en) 2018-03-20
US8967948B2 (en) 2015-03-03
NZ603945A (en) 2014-07-25
CN103038511B (en) 2015-12-16

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